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[v3,3/7] qapi: QMP input visitor, handle floats parsed as ints

Message ID 1330974634-7527-4-git-send-email-mdroth@linux.vnet.ibm.com
State New
Headers show

Commit Message

Michael Roth March 5, 2012, 7:10 p.m. UTC 
JSON numbers can be interpreted as either integers or floating point
values depending on their representation. As a result, QMP input visitor
might visit a QInt when it was expecting a QFloat, so add handling to
account for this.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 qapi/qmp-input-visitor.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
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Patch

diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c
index e6b6152..f7ffb59 100644
--- a/qapi/qmp-input-visitor.c
+++ b/qapi/qmp-input-visitor.c
@@ -209,13 +209,18 @@  static void qmp_input_type_number(Visitor *v, double *obj, const char *name,
     QmpInputVisitor *qiv = to_qiv(v);
     const QObject *qobj = qmp_input_get_object(qiv, name);
 
-    if (!qobj || qobject_type(qobj) != QTYPE_QFLOAT) {
+    if (!qobj || (qobject_type(qobj) != QTYPE_QFLOAT &&
+        qobject_type(qobj) != QTYPE_QINT)) {
         error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
                   "double");
         return;
     }
 
-    *obj = qfloat_get_double(qobject_to_qfloat(qobj));
+    if (qobject_type(qobj) == QTYPE_QINT) {
+        *obj = qint_get_int(qobject_to_qint(qobj));
+    } else {
+        *obj = qfloat_get_double(qobject_to_qfloat(qobj));
+    }
 }
 
 static void qmp_input_start_optional(Visitor *v, bool *present,